From 8fb0791d30bea0f2ca071ab571e71dfa1cc49085 Mon Sep 17 00:00:00 2001
From: Juan Quintela <quintela@redhat.com>
Date: Thu, 10 Sep 2009 03:04:32 +0200
Subject: [PATCH] vmstate: Add pre/post_save() hooks
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---
hw/hw.h | 2 ++
savevm.c | 6 ++++++
2 files changed, 8 insertions(+)
diff --git a/hw/hw.h b/hw/hw.h
index 8e75a040a9..d64a0e8221 100644
--- a/hw/hw.h
+++ b/hw/hw.h
@@ -308,6 +308,8 @@ struct VMStateDescription {
LoadStateHandler *load_state_old;
int (*pre_load)(void *opaque);
int (*post_load)(void *opaque);
+ void (*pre_save)(const void *opaque);
+ void (*post_save)(const void *opaque);
VMStateField *fields;
};
diff --git a/savevm.c b/savevm.c
index 8ae8d1627d..c4bee378b9 100644
--- a/savevm.c
+++ b/savevm.c
@@ -1073,6 +1073,9 @@ void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
{
VMStateField *field = vmsd->fields;
+ if (vmsd->pre_save) {
+ vmsd->pre_save(opaque);
+ }
while(field->name) {
const void *base_addr = opaque + field->offset;
int i, n_elems = 1;
@@ -1096,6 +1099,9 @@ void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
}
field++;
}
+ if (vmsd->post_save) {
+ vmsd->post_save(opaque);
+ }
}
static int vmstate_load(QEMUFile *f, SaveStateEntry *se, int version_id)
--
2.30.2